Adding bluetooth to computer

Installing a Bluetooth device

There are two installation types for Bluetooth profile drivers:

• Client-side installation for remote devices where the remote device advertises its services and the computer connects to it. Examples include: mice, keyboards, and printers.
• Server-side installation where the computer advertises services and remote devices can connect to the computer to use those services. For example, a vendor could author a server-side installation to enable a mobile device to print to a printer attached to the computer.

These two installation types require different installation procedures.

Installing a client-side profile driver

A user that wants to use a Bluetooth-enabled device will bring the device within range of the computer and initiate a connection from the computer to the remote device using the following installation sequence for a client-side profile driver.

1. Select Add a Bluetooth device in Control Panel to find all devices within range of the computer.
2. Select the device to pair with.
3. Pair the device with the local radio. This may or may not involve a PIN exchange.
4. The local radio issues an SDP inquiry to identify the services supported on the remote device.
5. The Found New Hardware Wizard searches for appropriate drivers on the local hard disk drive, and on Windows Update.
6. If the Found New Hardware Wizard does not find an appropriate driver for the device, it prompts the user to insert the profile driver installation media that contains the profile driver’s device setup information file (INF file).

Installing a server-side profile driver

The Bluetooth driver stack supports service GUIDs as defined by the Bluetooth SIG, as well as custom GUIDs (that is, GUIDs that are not defined by the Bluetooth SIG).

The guidgen.exe tool provided with the Microsoft Windows SDK can be used to create custom GUIDs.

A user-mode installation application must be written to expose computer functionality that remote Bluetooth devices can use.

The installation application must communicate with the Bluetooth driver stack to create a service GUID for the functionality to expose. Vendors specify the service GUID in the application and in their device installation INF file.

The installation application must call the user-mode API BluetoothSetLocalServiceInfo. Before the application can call this API the application must have the SE_LOAD_DRIVER_NAME security privilege. The following code example demonstrates how to obtain this privilege. Note that the example does not demonstrate error handling.

HANDLE procToken; LUID luid; TOKEN_PRIVILEGES tp; OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &procToken); LookupPrivilegeValue(NULL, SE_LOAD_DRIVER_NAME, &luid); Tp.PrivilegeCount = 1; Tp.privileges[0].Luid = luid; Tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; AdjustTokenPrivileges(procToken, FALSE, &tp, sizeof(TOKEN_PRIVILEGES), (PTOKEN_PRIVILEGES) NULL, (PDWORD)NULL) 

Profile driver INF file

A profile driver’s INF file contains information about a Bluetooth device for client-side installation. For a server-side installation, the INF file specifies a device ID that corresponds to the service GUID created by the installation application. All Bluetooth devices are members of the Bluetooth class. The Bluetooth class installer (Bthci.dll) assists in installing profile drivers.

For more information about creating and distributing INF files and installing drivers, see Creating an INF File and INF File Sections and Directives.

Plug and Play IDs

The Bluetooth driver stack generates hardware IDs according to the following templates:

• BTHENUM\< ServiceGUID>_VID& nnnnnnnn
• BTHENUM\< ServiceGUID>_VID& nnnnnnnn_PID& nnnn
• BTHENUM\< ServiceGUID>_LOCALMFG& nnnn

The Bluetooth driver stack generates compatible IDs according to the following template:

ServiceGUID is a 16-bit GUID expanded into a 128-bit GUID, as defined by the Bluetooth specification. For example, corresponds to an HID device.

• The 8 digits following VID& correspond to the vendor ID code.
• The 4 digits following PID& correspond to the product ID code.
• The 4 digits following LOCALMFG& correspond to the manufacturer of the local Bluetooth radio.
• The VID/PID and LOCALMFG tags are independent of each other.

The most generic device ID is a ServiceGUID by itself. For example:

The Bluetooth driver stack can be restricted to load your profile driver and software to run only on a specific release of a remote device by using Plug and Play IDs in both the remote device and the INF file. Note that the Bluetooth driver stack generates a VID/PID pair only if the device publishes a Plug and Play ID that the stack can detect using SDP. For example:

The Bluetooth driver stack can be restricted to load profile driver and software to run only on a specific local Bluetooth radio by specifying the LOCALMFG tag in the device ID in your INF file. For example:

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Pair a Bluetooth device in Windows

You can pair all kinds of Bluetooth devices with your PC—including keyboards, mice, phones, speakers, and a whole lot more. To do this, your PC needs to have Bluetooth. Some PCs, such as laptops and tablets, have Bluetooth built in. If your PC doesn’t, you can plug a USB Bluetooth adapter into the USB port on your PC to get it.

Before you start, make sure that your Windows 11 PC supports Bluetooth. For more info on how to check, see Fix Bluetooth problems in Windows. If you need help adding a device without Bluetooth capabilities, see Add a device to a Windows PC.

Turn on Bluetooth

After you’ve checked that your Windows 11 PC supports Bluetooth, you’ll need to turn it on. Here’s how:

• In Settings: Select Start >Settings >Bluetooth & devices , and then turn on Bluetooth .
• In quick settings: To find the quick setting for Bluetooth, select the Network, Sound, or Battery icons ( ) next to the time and date on the right side of your taskbar. Select Bluetooth to turn it on. If it’s turned on without any Bluetooth devices connected, it might appear as Not connected .

To pair a Bluetooth device

1. Turn on your Bluetooth device and make it discoverable. The way you make it discoverable depends on the device. Check the device or visit the manufacturer’s website to learn how.
2. On your PC, select the Network , Sound, or Battery icons ( ) next to the time and date on the right side of your taskbar.
3. Select Manage Bluetooth devices on the Bluetooth quick setting, then select your device under New devices.

Follow additional instructions if they appear, then select Done.

Your Bluetooth device and PC will usually automatically connect anytime the two devices are in range of each other with Bluetooth turned on.

Tip: If you don’t see the Bluetooth device you want displayed in the list, you may need to set the Bluetooth devices discovery setting to Advanced. To learn how, see Fix Bluetooth problems in Windows.

To pair a Bluetooth printer or scanner

1. Turn on your Bluetooth printer or scanner and make it discoverable. The way you make it discoverable depends on the device. Check the device or visit the manufacturer’s website to learn how.
2. Select Start >Settings >Bluetooth & devices >Printers & scanners >Add device. Wait for it to find nearby printers, choose the one you want to use, then select Add device.

If you’re having problems installing your printer or scanner, see either Fix printer problems or Install and use a scanner in Windows.

To pair a Bluetooth device using Swift Pair

Swift Pair in Windows 11 lets you quickly pair a supported Bluetooth device with your PC. If the Bluetooth device supports Swift Pair, you’ll receive a notification when it’s nearby and you put it into pairing mode to make it discoverable.

1. Turn on a Bluetooth device that supports Swift Pair and make it discoverable. The way you make it discoverable depends on the device. Check the device or visit the manufacturer’s website to learn more.
2. If this is your first time using Swift Pair, select Yes when asked if you want to get notifications and use Swift Pair.
3. When a notification appears that a new Bluetooth device was found, select Connect.

Before you start, make sure that your Windows 10 PC supports Bluetooth. For more info on how to check, see Fix Bluetooth problems in Windows 10. If you need help adding a device without Bluetooth capabilities, see Add a device to a Windows 10 PC.

Turn on Bluetooth

After you’ve checked that your Windows 10 PC supports Bluetooth, you’ll need to turn it on. Here’s how:

In Settings: Select Start > Settings > Devices > Bluetooth & other devices, and turn on Bluetooth.

In action center: Action center can be found next to time and date on your taskbar. On the taskbar, select action center ( or ), then select Bluetooth to turn it on. If it’s turned off, it might appear as Not connected.

If you don’t see Bluetooth in your action center, here’s how you can change it:

• Expand quick actions. On the taskbar, select action center ( or ) >Expand. Bluetooth should appear here. It will appear as Bluetooth or Not connected.
• Add Bluetooth to action center. Select Start >Settings >System >Notifications & actions >Quick actions. Go to Add or remove quick actions and turn on Bluetooth.

Note: For more info about how to change the apps and settings that appear in action center, see Change notification and action settings in Windows 10.

To pair a Bluetooth headset, speaker, or other audio device

1. Turn on your Bluetooth audio device and make it discoverable. The way you make it discoverable depends on the device. Check the device or visit the manufacturer’s website to learn how.
2. On your PC, select Start >Settings >Devices >Bluetooth & other devices >Add Bluetooth or other device >Bluetooth. Choose the device and follow additional instructions if they appear, then select Done. Your Bluetooth device and PC will usually automatically connect anytime the two devices are in range of each other with Bluetooth turned on.

To pair a Bluetooth keyboard, mouse, or other device

1. Turn on your Bluetooth keyboard, mouse, or other device and make it discoverable. The way you make it discoverable depends on the device. Check the device or visit the manufactur’s website to learn how.
2. On your PC, select Start >Settings >Devices >Bluetooth & other devices >Add Bluetooth or other device >Bluetooth. Choose the device and follow additional instructions if they appear, then select Done.

To pair a Bluetooth printer or scanner

1. Turn on your Bluetooth printer or scanner and make it discoverable. The way you make it discoverable depends on the device. Check the device or visit the manufacturer’s website to learn how.
2. Select Start >Settings >Devices >Printers & scanners >Add a printer or scanner. Wait for it to find nearby printers, then choose the one you want to use and select Add device.

If you’re having installation issues with your printer or scanner, see either Fix printer problems or Install and use a scanner in Windows 10.

To pair a Bluetooth device using Swift Pair

Swift Pair in Windows 10 lets you quickly pair a supported Bluetooth device with your PC. If the Bluetooth device supports Swift Pair, you’ll receive a notification when it’s nearby and you put it into pairing mode to make it discoverable.

1. Turn on a Bluetooth device that supports Swift Pair and make it discoverable. The way you make it discoverable depends on the device. Check the device or visit the manufacturer’s website to learn more.
2. If this is your first time using Swift Pair, select Yes when asked if you want to get notifications and use Swift Pair.
3. When a notification appears that a new Bluetooth device was found, select Connect.
4. After it’s connected, select Close.

Tip: If you’re a small business owner looking for more information on how to get Microsoft 365 set up, visit Small business help & learning.

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